LENGTH-WEIGHT RELATIONSHIP AND CONDITION FACTOR OF SOME COMMERCIAL FISH SPECIES IN OGUN STATE COASTAL ESTUARY, NIGERIA
This study examined the length - weight relationships (LWRs) and condition factors of ten (10) commercially exploited fish species: Elops lacerta, Schilbe mystus, Sardienlla maderensis, Synodontis schall, Tilapia zillii, Mugil cephalus, Hepsetus odoe, Chrysichthys auratus, Chrysichthys nigrodigitatu...
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| Формат: | Online |
| Мова: | Англійська |
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The Faculty of Agriculture Obafemi Awolowo University, Ile-Ife, Nigeria.
2017
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| Онлайн доступ: | https://ija.oauife.edu.ng/index.php/ija/article/view/20 |
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| _version_ | 1810820045626933248 |
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| author | O., Abdul W. T., Omoniyi I. O., Adekoya E. I., Adeosun F. O., Odulate O. A., Idowu A. E., Olajide A. S., Olowe O. |
| author_facet | O., Abdul W. T., Omoniyi I. O., Adekoya E. I., Adeosun F. O., Odulate O. A., Idowu A. E., Olajide A. S., Olowe O. |
| author_sort | O., Abdul W. |
| collection | OJS |
| description | This study examined the length - weight relationships (LWRs) and condition factors of ten (10) commercially exploited fish species: Elops lacerta, Schilbe mystus, Sardienlla maderensis, Synodontis schall, Tilapia zillii, Mugil cephalus, Hepsetus odoe, Chrysichthys auratus, Chrysichthys nigrodigitatus and Sarotherodon galilaeus in Ogun State coastal estuary, Nigeria. A total of 5,609 fish specimens were collected from the commercial landings during the study. Parameters of LWR, a and b were estimated. Growth pattern, b, ranged between 2.462 ± 0.16 and 3.104±0.05 (r2 = 0.8088 to 0.9976). T. zillii, E.lacerta, S.mystus, M. cephalus, S.schall,C. nigrodigitatus and S. galilaeus exhibited allometric growth pattern as b values were significantly (at 95% Cl) different from 3, while C. auratus, S. maderensis and H. odoe exhibited isometric growth pattern ( b value not significantly at 95% Cl). On the average, the growth pattern of fish species sampled was significantly (p<0.05) different from 3. The condition factor, k, ranged from 0.63±0.01 (M.cephalus) to 3.86±0.09 (S. mystus) in the estuary. This indicated that the fish species were in good condition during the study as k values were >0.5. This study, therefore, called for close monitoring of LWR and condition factor of all these commercial fish species for effective stock management in the fishery. |
| format | Online |
| id | oai:ojs2.ija.oauife.edu.ng:article-20 |
| institution | My University |
| language | eng |
| publishDate | 2017 |
| publisher | The Faculty of Agriculture Obafemi Awolowo University, Ile-Ife, Nigeria. |
| record_format | ojs |
| spelling | oai:ojs2.ija.oauife.edu.ng:article-202017-06-09T10:32:00Z LENGTH-WEIGHT RELATIONSHIP AND CONDITION FACTOR OF SOME COMMERCIAL FISH SPECIES IN OGUN STATE COASTAL ESTUARY, NIGERIA O., Abdul W. T., Omoniyi I. O., Adekoya E. I., Adeosun F. O., Odulate O. A., Idowu A. E., Olajide A. S., Olowe O. Length-weight relationship, condition factor, estuary, Nigeria, fish growth pattern This study examined the length - weight relationships (LWRs) and condition factors of ten (10) commercially exploited fish species: Elops lacerta, Schilbe mystus, Sardienlla maderensis, Synodontis schall, Tilapia zillii, Mugil cephalus, Hepsetus odoe, Chrysichthys auratus, Chrysichthys nigrodigitatus and Sarotherodon galilaeus in Ogun State coastal estuary, Nigeria. A total of 5,609 fish specimens were collected from the commercial landings during the study. Parameters of LWR, a and b were estimated. Growth pattern, b, ranged between 2.462 ± 0.16 and 3.104±0.05 (r2 = 0.8088 to 0.9976). T. zillii, E.lacerta, S.mystus, M. cephalus, S.schall,C. nigrodigitatus and S. galilaeus exhibited allometric growth pattern as b values were significantly (at 95% Cl) different from 3, while C. auratus, S. maderensis and H. odoe exhibited isometric growth pattern ( b value not significantly at 95% Cl). On the average, the growth pattern of fish species sampled was significantly (p<0.05) different from 3. The condition factor, k, ranged from 0.63±0.01 (M.cephalus) to 3.86±0.09 (S. mystus) in the estuary. This indicated that the fish species were in good condition during the study as k values were >0.5. This study, therefore, called for close monitoring of LWR and condition factor of all these commercial fish species for effective stock management in the fishery. The Faculty of Agriculture Obafemi Awolowo University, Ile-Ife, Nigeria. 2017-05-30 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://ija.oauife.edu.ng/index.php/ija/article/view/20 Ife Journal of Agriculture; Vol. 28 No. 1 (2016): Ife Journal of Agriculture; 1-10 0331-6351 eng https://ija.oauife.edu.ng/index.php/ija/article/view/20/19 |
| spellingShingle | Length-weight relationship, condition factor, estuary, Nigeria, fish growth pattern O., Abdul W. T., Omoniyi I. O., Adekoya E. I., Adeosun F. O., Odulate O. A., Idowu A. E., Olajide A. S., Olowe O. LENGTH-WEIGHT RELATIONSHIP AND CONDITION FACTOR OF SOME COMMERCIAL FISH SPECIES IN OGUN STATE COASTAL ESTUARY, NIGERIA |
| title | LENGTH-WEIGHT RELATIONSHIP AND CONDITION FACTOR OF SOME COMMERCIAL FISH SPECIES IN OGUN STATE COASTAL ESTUARY, NIGERIA |
| title_full | LENGTH-WEIGHT RELATIONSHIP AND CONDITION FACTOR OF SOME COMMERCIAL FISH SPECIES IN OGUN STATE COASTAL ESTUARY, NIGERIA |
| title_fullStr | LENGTH-WEIGHT RELATIONSHIP AND CONDITION FACTOR OF SOME COMMERCIAL FISH SPECIES IN OGUN STATE COASTAL ESTUARY, NIGERIA |
| title_full_unstemmed | LENGTH-WEIGHT RELATIONSHIP AND CONDITION FACTOR OF SOME COMMERCIAL FISH SPECIES IN OGUN STATE COASTAL ESTUARY, NIGERIA |
| title_short | LENGTH-WEIGHT RELATIONSHIP AND CONDITION FACTOR OF SOME COMMERCIAL FISH SPECIES IN OGUN STATE COASTAL ESTUARY, NIGERIA |
| title_sort | length weight relationship and condition factor of some commercial fish species in ogun state coastal estuary nigeria |
| topic | Length-weight relationship, condition factor, estuary, Nigeria, fish growth pattern |
| topic_facet | Length-weight relationship, condition factor, estuary, Nigeria, fish growth pattern |
| url | https://ija.oauife.edu.ng/index.php/ija/article/view/20 |
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